"The cola bottle which bore traces of Leonne's DNA was also found at the scene."

Shea Heeley was jailed for life, to serve a minimum of 24-and-a-half-years, during a sentencing hearing at Sheffield Crown Court on Monday

After the murder, CCTV also shows Heeley visiting a takeaway in Laughton Road, Dinnington with friends at 8.43pm that evening.

The court heard how Heeley told various friends that he had himself been the victim of an attack that evening, which is how he explained the marks to his hands and the reason his tracksuit bottoms were muddy.

Passing sentence, Judge Paul Watson QC told Heeley: "In short this was a pre-planned, brutal and pitiless killing of an innocent young girl, who had her whole life in front of her.

"As a result of what you did, Leonne lost her life and her family lost a daughter, a granddaughter and sister.

"They will have to live with that agonising loss and the living nightmare of your evil crime for the rest of their lives. It is clear from all that I have read, that she was a lovely, lively, funny and caring young girl whose absence will leave a permanent hole in the hearts of the many who knew and loved her."